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Finding the Fourth Proportional to 65,243.44, 97,795.20 and 42,745.62

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Solution

The fourth proportional to 65,243.44, 97,795.20 and 42,745.62 is: 64,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,243.44 : 97,795.20 = 42,745.62 : x
  2. Step 2: Convert to fraction form
    65,243.44/97,795.20 = 42,745.62/x
  3. Step 3: Cross multiply
    65,243.44x = 97,795.20 × 42,745.62
  4. Step 4: Simplify right side
    65,243.44x = 4,180,316,457.02
  5. Step 5: Solve for x
    x = 4,180,316,457.02/65,243.44
  6. Step 6: Final answer
    x = 64,072.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.